negative friction soil stratum 负摩阻土层
angle of soil friction 土壤摩擦角
soil friction force 土壤摩擦力
internal friction angle of soil 土的内摩擦角
external friction angle of soil 土的外摩擦角
soil friction [土壤] 土壤摩擦
friction mandrel of soil 土的摩擦阻力
pile-soil interface friction 桩土侧摩阻力
The main reason is that the cutting intension of soil reduced due to vibrating, and another one is the deducing of friction between bucket and soil.
振动使土壤的抗剪强度下降是切削阻力下降的主要原因，同时，铲斗与土壤间摩擦力和粘附力下降，也是切削阻力下降的原因之一。
The friction mobilized between the soil and reinforcement is an import ant design parameter of reinforced structure.
筋土之间的摩擦力是加筋土结构的一个重要设计参数。
The single pile is simplified to elastic shaft elements suffering skin friction and the soil mass is considered to be homogeneous isotropic elastic semi space.
将单桩简化为受侧摩阻力的弹性杆单元，土体简化为均质弹性半空间无限体。
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